下列关于鞍区肿瘤说法正确的是（） A.此区最常见的肿瘤是垂体瘤 B.累及此区的病变，

关于胸腔闭式引流装置的护理不正确的是（）

A.更换引流瓶遵循无菌原则

B.向引流瓶内注入无菌注射用水，确保水密封状态

C.引流瓶位置必须低于胸腔

D.定期挤压引流管，保持通畅

E.为防止引流管脱出，嘱病人不要深呼吸或咳嗽

在烧结过程中，矿粉粒度越细，脱硫效率（）。

根据汉语提示或单词的正确形式完成句子。

1. He is a _______ (不诚实) boy. We don't like him.

2.  Don't throw it with a _______(石头) when you see the dog coming over.

3. The area of_______(海洋) is much bigger than that of the land.

4. He is very strong because he can _______ (举起) so heavy things.

5.  This kind of flower _______(闻起来) nice and sweet.

6. He has_______(little) time to spend with the family than last year.

7. Lin Tao looks_______ (worry) about the exam.

8. Many _______( visit)  come to China every year.

漏泄

我国现行立法体制是（）

A、两级立法体制

B、联邦立法体制

C、制衡的立法体制

D、一元多层次立法体制